ASTRO XTS 2500/XTS 2500I Model III 77
Special Radio Features
Site Trunking
If the zone controller loses communication with any site, that site 
reverts to what is known as “site trunking.” The display shows “SITE 
TRUNKNG” and the currently selected zone/channel combination. 
When this occurs, you can communicate only with other radios within 
your trunking site.
Site View and Change
You can view the ID number of the current site or force your radio to 
change to a new one.
View the Current Site
Momentarily press the 
preprogrammed Site Search 
button.
The display shows the name 
of the current site and its 
corresponding Received 
Signal Strength Indicator 
(RSSI) symbol (s) 
OR
If the radio is scanning for a 
new site, the display 
momentarily shows 
SCANNING SITE.
s
SITE 2
SCANNING SITE
94C06.book  Page 77  Wednesday, June 23, 2010  11:41 AM